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jasenka [17]
3 years ago
13

Evaluate 7 a - 5 b when a = 4 and b = 3

Mathematics
2 answers:
svet-max [94.6K]3 years ago
8 0
7x4=28, 5x3=15. 28-15=13

Cloud [144]3 years ago
5 0
7a = 7 x 4

28

28 - 5b

5b = 15

28-15 = 13
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